Moved all demo programs into subfolder

Demo_Graph_Element_Sine_Wave.py

@@ -1,40 +0,0 @@
-import sys
-if sys.version_info[0] >= 3:
-    import PySimpleGUI as sg
-else:
-    import PySimpleGUI27 as sg
-import math
-
-layout = [[sg.T('Example of Using Math with a Graph', justification='center',
-                size=(50,1), relief=sg.RELIEF_SUNKEN)],
-          [sg.Graph(canvas_size=(400, 400),
-                   graph_bottom_left=(-105,-105),
-                   graph_top_right=(105,105),
-                   background_color='white',
-                   key='graph')],]
-
-window = sg.Window('Graph of Sine Function', grab_anywhere=True).Layout(layout).Finalize()
-
-graph = window.FindElement('graph')
-
-# Draw axis
-graph.DrawLine((-100,0), (100,0))
-graph.DrawLine((0,-100), (0,100))
-
-for x in range(-100, 101, 20):
-    graph.DrawLine((x,-3), (x,3))
-    if x != 0:
-        graph.DrawText( x, (x,-10), color='green')
-
-for y in range(-100, 101, 20):
-    graph.DrawLine((-3,y), (3,y))
-    if y != 0:
-        graph.DrawText( y, (-10,y), color='blue')
-
-
-# Draw Graph
-for x in range(-100,100):
-    y = math.sin(x/30)*50
-    graph.DrawCircle((x,y), 1, line_color='red', fill_color='red')
-
-event, values = window.Read()